ffmpeg extra libs

2011-11-30 Thread Len Ovens
I was looking at the US ubuntustudio.precise seeds. to see if it might be
obvious to me why the non extra libs are a problem.

It appears that the gstreamer package is part of the desktop-common part
of things which will set the dependencies to the non-extra libs before any
of the other audio packages are looked at by the installer.

What this means is that the extra style libs are actually needed in the
desktop-common set of apps anyway and should be installed at that time.
That is, all the stuff in the ffmpeg-common package should be moved into
the desktop-common package... I would go one step farther and blacklist
the non-extra packages (just to be sure). The other option would be to set
ffmpeg-common as a dependency of desktop-common, but that doesn't really
make sense if they are going to be loaded all the time anyway.

Getting the extra libs set up as preferred might be hard to do as each
application that uses these libs sets it's own preference. So any new
package added later could mess things up again anyway.


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Re: ffmpeg extra libs

2011-11-30 Thread Micah Gersten
On 11/30/2011 04:18 PM, Len Ovens wrote:
 I was looking at the US ubuntustudio.precise seeds. to see if it might be
 obvious to me why the non extra libs are a problem.

 It appears that the gstreamer package is part of the desktop-common part
 of things which will set the dependencies to the non-extra libs before any
 of the other audio packages are looked at by the installer.

 What this means is that the extra style libs are actually needed in the
 desktop-common set of apps anyway and should be installed at that time.
 That is, all the stuff in the ffmpeg-common package should be moved into
 the desktop-common package... I would go one step farther and blacklist
 the non-extra packages (just to be sure). The other option would be to set
 ffmpeg-common as a dependency of desktop-common, but that doesn't really
 make sense if they are going to be loaded all the time anyway.

 Getting the extra libs set up as preferred might be hard to do as each
 application that uses these libs sets it's own preference. So any new
 package added later could mess things up again anyway.



There are possible licensing issues with the extra libs which is why
they are in multiverse.  Applications in main or universe cannot depend
solely on these binaries.  There should be alternate dependencies in
place to allow one to choose between the extra and regular versions of
each library.  The regular library has to take preference though.

Thanks,
Micah

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Re: ffmpeg extra libs

2011-11-30 Thread Len Ovens

On Wed, November 30, 2011 2:49 pm, Micah Gersten wrote:
 There are possible licensing issues with the extra libs which is why
 they are in multiverse.  Applications in main or universe cannot depend
 solely on these binaries.  There should be alternate dependencies in
 place to allow one to choose between the extra and regular versions of
 each library.  The regular library has to take preference though.

Ok, how does that affect UbuntuStudio? Does it mean the extra libs can not
be included in the desktop-common? does it mean we should have the user's
permission or request before loading them? or just that we have to work
around the preference? We already don't ask if the user wants them or not
BTW.


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Re: ffmpeg extra libs

2011-11-30 Thread Micah Gersten
On 11/30/2011 05:12 PM, Len Ovens wrote:
 On Wed, November 30, 2011 2:49 pm, Micah Gersten wrote:
 There are possible licensing issues with the extra libs which is why
 they are in multiverse.  Applications in main or universe cannot depend
 solely on these binaries.  There should be alternate dependencies in
 place to allow one to choose between the extra and regular versions of
 each library.  The regular library has to take preference though.
 Ok, how does that affect UbuntuStudio? Does it mean the extra libs can not
 be included in the desktop-common? does it mean we should have the user's
 permission or request before loading them? or just that we have to work
 around the preference? We already don't ask if the user wants them or not
 BTW.


It means that if the extra libs are seeded, it should just work.  If
there's a package that depends on the non-extra libs only, I think that
a bug should be filed so that you can use those as well.

Thanks,
Micah

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RE: Ubuntu ISO Testing team: New build notification-why encryption support is needed

2011-11-30 Thread Len Ovens

On Wed, November 30, 2011 11:35 am, Luke Kuhn wrote:

 That's ugly, and means where security is a concern people having to
 install from Flash drives may have to dd the drive full of random numbers
 and remake the installer from the .iso image after installation.

I'm not sure what happened. I did a third install (on the same machine)
from the same usb stick and was asked the normal questions. I will try to
make it happen again.

History:

First install with all metas. Install failed because of av lib conflicts.

Second install less keyboard setup questions... maybe the disk is checked
and the fact that it was after a failed install meant it kept some of the
data. Install did not include audio-common and so was successful.

Third install got all the normal questions (no data remembered from
before). Selected both encrypted partition and encrypted home directory.
Did not include audio-common as i wanted what I knew worked. I was not
testing audio install but encrypted. Install was ok. On boot I was asked
for passkey. On home directory read with file manager I was asked for
passkey. On shutdown swap was wiped. Tried mounting drive from normal
boot. I can see two partitions, the first (1/4gig) had the boot stuff in
it (grub, kernel and initrd) The rest must have had the file system and
the swap in it. I was unable to access it. When I tried it asked for the
passkey but had an error because my normal drive doesn't have the software
to deal with it (I wold guess... thats what the err msg seemed to
indicate).

I don't see that there is any problem installing encrypted version for
testing. The nice thing about unencrypted is that I can read and quote
from the log file easily if there are failures. I did not use a strong
passkey as I just wanted to see if it worked... I wanted something I could
remember (equals less secure).

My machine speed was not noticeably affected... the desk seemed to run
about the same speed. I didn't have any audio stuff in there and this
machine doesn't have great audio anyway. So I didn't test tracking lots of
tracks. The install was not much longer either just the extra few steps
setting up partitions. Not near as bad as waiting for the net connected
apt configuration.



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Len Ovens
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